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Backup files & MySQL dump file
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Teddysun
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8d894934d7
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1398683a04
170
backup.sh
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170
backup.sh
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#!/usr/bin/env bash
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PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
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#==============================================================#
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# Description: backup script #
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# Author: Teddysun <i@teddysun.com> #
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# Visit: https://teddysun.com #
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#==============================================================#
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[[ $EUID -ne 0 ]] && echo 'Error: This script must be run as root!' && exit 1
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### START OF CONFIG ###
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# Encrypt flag(true:encrypt, false:not encrypt)
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ENCRYPTFLG=true
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# KEEP THE PASSWORD SAFE.
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# The password used to encrypt the backup
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# To decrypt backups made by this script, run the following command:
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# openssl enc -aes256 -in [encrypted backup] -out decrypted_backup.tgz -pass pass:[backup password] -d -md sha1
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BACKUPPASS="mypassword"
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# Directory to store backups
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LOCALDIR="/root/backups/"
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# Temporary directory used during backup creation
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TEMPDIR="/root/backups/temp/"
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# File to log the outcome of backups
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LOGFILE="/root/backups/backup.log"
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# OPTIONAL: If you want MySQL to be backed up, enter the root password below
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MYSQL_ROOT_PASSWORD=""
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# Below is a list of files and directories that will be backed up in the tar backup
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# For example:
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# File: /data/www/default/test.tgz
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# Directory: /data/www/default/test/
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# if you want not to be backed up, leave it blank.
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BACKUP[0]=""
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# Date & Time
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BACKUPDATE=$(date +%Y%m%d%H%M%S)
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# Backup file name
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TARFILE="${LOCALDIR}""$(hostname)"_"${BACKUPDATE}".tgz
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# Backup MySQL dump file name
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SQLFILE="${TEMPDIR}mysql_${BACKUPDATE}.sql"
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### END OF CONFIG ###
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log() {
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echo "$(date "+%Y-%m-%d %H:%M:%S")" "$1"
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echo -e "$(date "+%Y-%m-%d %H:%M:%S")" "$1" >> ${LOGFILE}
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}
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### START OF CHECKS ###
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# Check if the backup folders exist and are writeable
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if [ ! -d "${LOCALDIR}" ]; then
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mkdir -p ${LOCALDIR}
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fi
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if [ ! -d "${TEMPDIR}" ]; then
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mkdir -p ${TEMPDIR}
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fi
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# This section checks for all of the binaries used in the backup
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BINARIES=( cat cd du date dirname echo openssl mysql mysqldump pwd rm tar )
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# Iterate over the list of binaries, and if one isn't found, abort
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for BINARY in "${BINARIES[@]}"; do
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if [ ! "$(command -v "$BINARY")" ]; then
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log "$BINARY is not installed. Install it and try again"
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exit 1
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fi
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done
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STARTTIME=$(date +%s)
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cd "${LOCALDIR}" || exit
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### END OF CHECKS ###
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### START OF MYSQL BACKUP ###
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if [ -z ${MYSQL_ROOT_PASSWORD} ]; then
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log "MySQL root password not set, MySQL back up skip"
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else
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log "MySQL dump start"
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mysql -u root -p"${MYSQL_ROOT_PASSWORD}" <<EOF
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exit
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EOF
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if [ $? -ne 0 ]; then
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log "MySQL root password is incorrect. Please check it and try again"
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exit 1
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fi
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mysqldump -u root -p"${MYSQL_ROOT_PASSWORD}" --all-databases > "${SQLFILE}"
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if [ $? -ne 0 ]; then
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log "MySQL backup failed"
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exit 1
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fi
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log "MySQL dump completed"
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log "MySQL dump file name: ${SQLFILE}"
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#Add MySQL backup dump file to BACKUP list
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BACKUP=(${BACKUP[*]} ${SQLFILE})
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fi
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### END OF MYSQL BACKUP ###
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### START OF TAR BACKUP ###
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log "Backup progress start"
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log "Tar backup file start"
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tar -zcPf ${TARFILE} ${BACKUP[*]}
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if [ $? -ne 0 ]; then
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log "Tar backup file failed"
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exit 1
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fi
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log "Tar backup file completed"
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# Encrypt tar file
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if ${ENCRYPTFLG}; then
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log "Encrypt backup file start"
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openssl enc -aes256 -in "${TARFILE}" -out "${TARFILE}.enc" -pass pass:"${BACKUPPASS}" -md sha1
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log "Encrypt backup file completed"
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# Delete unencrypted tar
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log "Delete unencrypted tar file"
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rm -f "${TARFILE}"
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fi
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log "Backup progress complete"
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if ${ENCRYPTFLG}; then
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BACKUPSIZE=$(du -h ${TARFILE}.enc | cut -f1)
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log "File name: ${TARFILE}.enc, File size: ${BACKUPSIZE}"
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else
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BACKUPSIZE=$(du -h ${TARFILE} | cut -f1)
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log "File name: ${TARFILE}, File size: ${BACKUPSIZE}"
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fi
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# Transfer file to Google Drive
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# If you want to install gdrive command, please visit website:
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# https://github.com/prasmussen/gdrive
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# of cause, you can use below command to install it
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# For x86_64: wget -O /usr/bin/gdrive http://dl.teddysun.com/files/gdrive-linux-x64; chmod +x /usr/bin/gdrive
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# For i386: wget -O /usr/bin/gdrive http://dl.teddysun.com/files/gdrive-linux-386; chmod +x /usr/bin/gdrive
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if [ ! "$(command -v "gdrive")" ]; then
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log "gdrive is not installed"
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log "File transfer skipped. please install it and try again"
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else
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log "Tranferring tar backup to Google Drive"
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if ${ENCRYPTFLG}; then
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gdrive upload --no-progress ${TARFILE}.enc >> ${LOGFILE}
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else
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gdrive upload --no-progress ${TARFILE} >> ${LOGFILE}
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fi
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log "File transfer completed"
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fi
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### END OF TAR BACKUP ###
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ENDTIME=$(date +%s)
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DURATION=$((ENDTIME - STARTTIME))
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log "All done"
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log "Backup and transfer completed in ${DURATION} seconds"
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